Antoine Lavoisier

"Thus, while I thought myself employed only in forming a Nomenclature, and while I proposed to myself nothing more than to improve the chemical language, my work transformed itself by degrees, without …"

"It is a maxim universally admitted in geometry, and indeed in every branch of knowledge, that, in the progress of investigation, we should proceed from known facts to what is unknown. ...In this manne…"

"Though Lavoisier generally gets credit for the authorship of this principle , others had conceived it before him, The seventeenth century chemists, notably Helmont, Starkey, and Boyle, had a dawning a…"

"When I began the following Work, my only object was to extend and explain more fully the Memoir which I read at the public meeting of the Academy of Sciences in the month of April 1787, on the necessi…"

"Now Mayow, like Boyle, conceived the air as made up of minute particles, while he restricted himself to two varieties, those, namely, which are necessary to life, called by him "spiritus igno-aereus,"…"

"Here, then: a revolution has taken place in an important part of human knowledge since your departure from Europe... I will consider this revolution to be well advanced and even completely accomplishe…"

"The extension of Black's method by the physicist Lavoisier led to the downfall of the purely qualitative theory of phlogiston, and gave to chemistry the true methods of investigation, and its first gr…"

"BBC Radio 4 program on the discovery of oxygen"